Hand-operated creasing device



1,633 655 June 28, 1927. H. a WALTER HAND OPERATED camsme nvIcE Filed July 26, 1926 'HMI "b Patented June 28, 1927.

UNITED STATES PATENT OFFICE.

HARRISON B. WALTER, OF CHICAGO, ILLINOIS, ASSIGNOR T0 CONTAINER CORPORA- TION OF AMERICA, OF CHICAGO, ILLINOIS, A CORPORATION OF DELAWARE.

HAND-OPERATED CREASING DEVICE.

Application filed July 26,

This invention relates to a hand-operated creasing` machine for creasing heavy tibre or paper board, corrugated board and the like, by hand and consists of the matters hereinafter described and more particularly pointed out in the appended claims.

Machines for creasing heavy fibre or paper board and the like, as generally constructed, include a grooved female member and a male member, with mechanism for bringing about a relative. vertical, reciprocator Y movement of the two parts, whereby the male member is caused to engage the blank to be creased against the female member and forcibly depress the board into the groove thereof, thus forming the crease. The operation of such a machine requires enormous power and accordingly is necessari ly motor or engine driven.

The object of my invention is to provide a machine including novel elements for pro ducing the crease in heavy libre or paper board, which elements co-act with each other in a way so that only suoli power is necessary as may be exercised by the ordinary workman in the use of a hand lever.

My improved machine is of special advantage for use in the hands of packers who have neither the facility nor the machinery for operating the ordinary power driven creasing machines and where the use of a creasing device, which is more or less sporadic and only required to meet the necessities of a single packer, would make the installation of the usual power driven creasing device prohibitive in cost. An example of the use of my improved machine is offered in the method of packing doors, sashes and the like as described in a companion application executed of even date herewith, wherein it required that large boards be creased at the time of packing and by the one making the package.

The advantages of my invention will appear more fully as l proceed with my speciication.

In the drawings:

Figure 1 is a top plan view of my improved creasing device.

Figure 2 is a view representing a side elevation of the same on a somewhat larger scale than that of Figure 1.

Figure 3 is a view representing a vertical 1926. Serial N0. 125,001.

section of the device on the same scale as that of Figure 2 in a plane indicated by the line 3-3 of Figure 1.

Figure 4 is an enlarged detail elevation of one end of the creasing member adjacent its journal bearing,

Figure 5 is a View similar to Figure il showing a somewhat modified form of the 1nvent1on.

Referring now to that embodiment of my invention illustrated in the drawings and particularly to Figures 1 to Ll thereof; 1t) indicates a table or bed which is adapted to receive the blank or sheet to be creased and upon which are mounted the operating parts of the mechanism. Said table or bed 1s made of heavy boards 11 mounted on cross pieces 12. The table as a whole is supported on suitable legs or standards (not shown) adapted to maintain it at a suitable elevation at about the level of a point between the knees and the hips ot' the operator, so that he will be in a position to advantageously operate a hand lever, which actuates the device as will presently appear.

On the table and extending longitudinally thereof near the rear edge 10L is provided a slot or groove 13 (see Figs. 2 and 3). This slot may be conveniently provided by spacing two of the boards 11a, 1110 a distance apart suiiicient to provide the slot or groove 13. The board providing the front edge of the groove, namely the board 11b has a sharp right angular corner 11c at the edge of the groove. The other board namely l1a pro viding the rear edge of the groove has its top corner 11d beveled. The groove or slot 13 constitutes the female member of the machine,

Mounted on an axis extending` longitudinally of the table in a position above the table and back of the groove 13 is the male l:

member of the machine 15. Said member in its preferred form consists of a rigid angle bar or plate having an upright leg 1G and a horizontal leg 17. 18"-18 indicate studs or trunnions fixed to the ends of he upright member 16 of the member l5 and journaled in brackets or standards 19 rising from the bed or table 10. Each of the studs 18 as shown is integral with a flat bar or plate 20, which is attached by rivets to th face of the leg 16 of the member 15. Said studs or trunnions engage in suitable bearing openings formed in the upright standards 19 and said standards are preferably reinforced about the bearing openings by means of plates 21. Beyond the standards each trunnion 18 is provided with a square or other polygonal head 18a to receive a lever arm 22, which is provided with a suitable polygonal opening or eye for the purpose. The end or edge 17n of the horizontal member 17 of the male member 15 constitutes the active part of the male member l5 and the member 17 is made of such width with re erence to the axis upon which the member 15 swings that its end or edge if will clear the top corner 11C of the board 1lh adjarent to the slot 13 by a space equal to or some` what less than the thickness of the board to be creased.

The machine as above constructed'is more especially intended for use in creasing corrugated board. For creasing solid fibre board a somewhat modified form of the ma chine is preferred. Such modification is shown in Figure 5.

In this case the parts are all as made before except the female member and the active element of the male member. lnrtead of the slot in the machine heretofore de scribed. there is provided in the modified form a grooved metal bar Q3 which constitutes the female member. Th'n, bar is nip ported on the cross pieces 12 in the position occupied in the other' case by the groove 13. 24 indicates a groove in the upper face of the bar 23. 15X indicates the male member` in this case, and 17X the horizontal member thereof. Said member has at its outer end or edge a depending, transversely rounded rib 17y which is adapted to engage in the groove 24 of the bar 23 and which constitutes the active element of the male member.

The operation is the same as in the otieil case; but by reason of the grooved metal fcmale member and the depending rib 175', the more forcible compression required in the case of solid libre board is brought about.

While in describingl my invention lY have referred to many details of mechanical construction and arrangement of parts it is to be understood that the same is not to be limited thereto except as may be pointed out in the appended claims.

I claim as my invention :C

1. A creasing machine comprising a table, means providing a slot or groove in said table, a male member mounted on said table back of said slot or groove on an axis extending parallel thereto, said male member having an active element adapted to co-act with said slot or groove, and a hand lever l'or operating said male member.

2. A creasing machine comprising a table. means providing a slot or groove in the top surface of said table, a rigid angle bar pivotalijyv mounted on :raid table7 studs lixcd to the ends of one leg ol' said angle bar5 bearing plates rising from said table and providing pivotal support for said angle bar adapting it to roel: on an axis extending` parallel to located back oiI s:.id slot, or gjroove. one :ii-l sinds being prolonger beyond its bearing-iv and beingv provided with a polygo nal head. and a lever provided with an eve dapted to ene'age said polygonal head.

3. n creasingI machine comprising a table, means providing` a slot or groove in the top surface of said table, a rigid angle bar pivotally mounted on raid table, studs lived to the ends of one leg of said angle bar, bearing' plates rising from said table and providing;` pivotal support for said angle bar adapting' it to rcel; on an axis extending parallel to and located back of said slot or `groove. one or said .stads beingl prolonggjrd beyond its bearing' and being provided with a polygonal head, a lever provided with a v'f ve adapted to eiigage said polygonal head,

and a gauge extending at right angles to said slot or groove.

el'. A creasing' machine comprising a table. means providing` a slot or groove extending cnsthwise of said table, an angle bar, means tiA ed to one leg' of said angle bar to provide inds. tixed bearings for said studs, the axes ci; said bearings being located back of and .unending parallel to said slot or groove. a lever for rockingsaid angle bar in .said bearings, the other member of said angie bar being formed to Co-act as a male element with said slot or `groove as a female element.

5. A creasingv machine comprising` a table, a metal bar mounted on said tab'le and pro .ded with a groove exten(linel lengthwise of .said table. a rigid angle bar, plates lixed to the end of one, leyj oil said angle bar and Ytoemed to provide studs extending` bevond rnd oi said angle bn". henri; s for w-ul -t|ids mounted on said table with their axes `-.;ttndn`5 parallel to the `groove in said iirst named metal bar, and a lever adapted for roei ing said angle bar, the second leg' oil' said mdc bar being novided with a depending' rib idapted to comet as a male member with the frome in said metal bar as a female laemher.

in testimony that l claim vthe foregoing ai inv invention. l aiiix my signature this if oi' July, fr. l). 1926.

HARK SON l. VLTE i.

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